Made some corrections to the generation of GravEn log files to make them...

        output.append(strains[0])                 # SimHrss

        output.append(energy)                     # SimEgwR2

        output.append(strains[0])                 # GravEn_Ampl

        output.append(row.incl)                          # Internal_x (currently not implemented)

        output.append(row.phi)                          # Intenal_phi ('')

        output.append(np.cos(row.ra))                     # cos(External_x)

        output.append(row.dec)                    # External_phi

        output.append(row.psi)            # External_psi

        output.append(np.cos(row.incl))           # Internal_x the cosine of the angle the LOS makes with axis of angular momentum

        output.append(row.phi)                    # Intenal_phi angle between source x-axis and the LOS

        output.append(np.cos(np.pi/2.0 - row.dec)) # cos(External_x) # this needs to be the co-declination

        output.append(np.pi - row.ra)             # External_phi # This is the RA projected onto an Earth-based coordinate system

        output.append(row.psi)                    # External_psi # source's polarisation angle

        output.append(frame.start)                # FrameGPS

        output.append(row.time_geocent_gps)       # EarthCtrGPS

        output.append(rowname)                    # SimName